code: def cache_path(self):
      cache_path = self._cacheDir
      # cache_path = osp.abspath(osp.join(datasets.ROOT_DIR, 'data', 'cache'))
      if not os.path.exists(cache_path):
          os.makedirs(cache_path)
      return cache_path
  
imports: from __future__ import print_function
  import os, pdb
  import xml.dom.minidom
  import numpy
  import scipy.sparse
  import scipy.io
  import pickle
  import subprocess
  from .imdb import imdb
  from .voc_eval import voc_eval
label_desc: Use image node_id 2 for calling the pascal_voc obj's underlying member method code with example usage: obj.cache_path() and returns: cache_path